CN109687267A - It is a kind of for generating the optical fiber laser of 561nm wavelength - Google Patents
It is a kind of for generating the optical fiber laser of 561nm wavelength Download PDFInfo
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- CN109687267A CN109687267A CN201811489997.6A CN201811489997A CN109687267A CN 109687267 A CN109687267 A CN 109687267A CN 201811489997 A CN201811489997 A CN 201811489997A CN 109687267 A CN109687267 A CN 109687267A
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- optical fiber
- fiber
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- pumping source
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 42
- 239000000835 fiber Substances 0.000 claims abstract description 73
- 238000005086 pumping Methods 0.000 claims abstract description 44
- 230000008878 coupling Effects 0.000 claims abstract description 42
- 238000010168 coupling process Methods 0.000 claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 claims abstract description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000005368 silicate glass Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004826 seaming Methods 0.000 description 2
- 208000035719 Maculopathy Diseases 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 208000002780 macular degeneration Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
Abstract
The invention discloses a kind of for generating the optical fiber laser of 561nm wavelength, including pumping source, coupling assembly resonant cavity component, pumping source is for issuing pump light, and for the light beam of pumping source successively by the coupling assembly resonant cavity component being arranged successively, resonator components include Yb2+Coupling pump light is entered Yb for coupling to pump light by doped fiber, coupling assembly2+Doped fiber, resonator components are used to carry out the pump light after coupling oscillator gain, and resonator components include being described the first dichroscope, the second dichroscope, can be used for controlling the laser output of 561nm wavelength.
Description
Technical field
The present invention relates to fiber laser technology fields, and in particular to a kind of for generating the optical-fiber laser of 561nm wavelength
Device.
Background technique
Currently, 561nm laser is a kind of widely used laser, surveyed in light frequency calibration, gravitational wave monitoring, basic physics
Amount, atomic clock, high-resolution spectra, super-resolution imaging and laser radar etc. have important application, it is biomedical such as
The fields of biomedicine such as the treatment of human eye maculopathy and flow cytometer also have extensive use, and 561nm laser has become stream
The standard configuration product of formula cell instrument, however, currently, 561nm laser utilizes near-infrared substantially or by the way of crystal double frequency
Laser by lbo crystal obtain 561nm laser, this mode obtain laser there are low efficiency, beam quality is low, mode is unstable
The factors such as fixed, have difficulties in terms of high power medicine 561nm laser realization.
It can be seen that there is also certain defects for the prior art.
Summary of the invention
In view of this, in order to solve the problems in the prior art, the present invention proposes a kind of for generating the light of 561nm wavelength
Fibre laser for improving the beam quality and efficiency of 561nm laser, and realizes the laser output of high power 561nm.
The present invention is solved the above problems by following technological means:
It is a kind of for generating the optical fiber laser of 561nm wavelength, including pumping source, coupling assembly resonant cavity component；
The pumping source is for issuing pump light；
The light beam of the pumping source successively passes through the coupling assembly resonant cavity component being arranged successively；
The resonator components include Yb2+Doped fiber；
Coupling pump light is entered Yb for coupling to pump light by the coupling assembly2+Doped fiber；
The resonator components are used to carry out oscillator gain to the pump light after coupling, to export laser；
The resonator components include that the first dichroscope, the second dichroscope or resonator components include first
Fiber grating, the second fiber grating are used equally for the laser output of control 561nm wavelength.
Further, the coupling assembly includes the first lens and the second lens of successively longitudinal arrangement, and the first lens are
Collimating mirror, the second lens are focus lamp, and the first lens and the second lens are the different non-spherical lens of focal length, and pumping source issues
Pump light successively pass through the first lens and the second lens.
Further, the resonator components include the first dichroscope, the Yb being arranged successively2+Doped fiber and the two or two
To Look mirror, the first dichroscope is close to Yb with the second dichroscope2+Doped fiber end face, the light beam of the pumping source is through overcoupling
After component, successively pass through the first dichroscope, Yb2+Doped fiber and the second dichroscope.
Further, first dichroscope is 405HT/561HR, and second dichroscope is 405HR/561HT.
Further, the Yb2+Doped fiber is Yb2+Adulterate silica fibre or Yb2+Doped silicate glasses optical fiber.
Further, the surface of first lens and the second lens, which is plated, is equipped with anti-reflection film, and the anti-reflection film is for increasing
Add the transmitance of light, reduces coupling loss.
Further, the coupling assembly includes pumping source tail optical fiber and fiber optic isolator, pumping source tail optical fiber and optical fiber optical isolation
Device connection, the pump light that pumping source issues successively pass through pumping source tail optical fiber and fiber optic isolator.
Further, the resonator components include sequentially connected first fiber grating, Yb2+Doped fiber and the second light
Fine grating, the first fiber grating are connect with fiber optic isolator, and the light beam of the pumping source successively passes through after coupling assembly
First fiber grating, Yb2+Doped fiber and the second fiber grating.
Further, first fiber grating is 405HT/561HR, and second fiber grating is 405HR/561HT.
Compared with prior art, beneficial effects of the present invention are as follows:
By ultraviolet and visible light by way of pump coupling, it is coupled into and mixes Yb2+Optical fiber mixes Yb2+Optical fiber is in pumping source
Excitation under, the first dichroscope, the second dichroscope in resonator components either the first fiber grating, the second optical fiber light
Grid, the laser output of control 561nm wavelength, generate 561nm laser in such a way that stimulated radiation is amplified, and the present invention improves
The beam quality and efficiency of 561nm laser, and realize the laser output of high power 561nm.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention two.
Description of symbols:
1, pumping source；2,Yb2+Doped fiber；3, the first lens；4, the second lens；5, the first dichroscope；6, the 2nd 2
To Look mirror；7, pumping source tail optical fiber；8, fiber optic isolator；9, the first fiber grating；10, the second fiber grating.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with attached drawing and specifically
Embodiment technical solution of the present invention is described in detail.It should be pointed out that described embodiment is only this hair
Bright a part of the embodiment, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
It is to be appreciated that the orientation or positional relationship of the instructions such as term " top ", " bottom " is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", " second ", " third " feature can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " one group "
It is meant that two or more.
Embodiment one
As shown in Figure 1, the present invention provide it is a kind of for generating the optical fiber laser of 561nm wavelength, including pumping source 1, coupling
Seaming element resonant cavity component, the pumping source 1 is for issuing pump light, and the light beam of the pumping source 1 is successively by successively arranging
The coupling assembly resonant cavity component of column, the resonator components include Yb2+Doped fiber 2, the coupling assembly are used for pump
Pu light is coupled, and coupling pump light is entered Yb2+Doped fiber 2, the resonator components are used for the pumping after coupling
Light carries out oscillator gain, and the resonator components include the first dichroscope 5, the second dichroscope 6 either resonance
Chamber component includes the first fiber grating 9, the second fiber grating 10, is used equally for the laser output of control 561nm wavelength.
Specifically, in the present embodiment, the coupling assembly includes the first lens 3 and the second lens of successively longitudinal arrangement
4, the first lens 3 are collimating mirror, and the second lens 4 are focus lamp, and the first lens 3 and the second lens 4 are the different aspheric of focal length
Face lens, and ultraviolet and visible light source is as pumping source 1, is Yb2+The light source of absorption band is 405nm laser, in other embodiments
In can be 365nm laser either 355nm laser, the pump light that pumping source 1 issues successively passes through the first lens 3 and second thoroughly
Mirror 4.Coupling pump light successively after the first lens 3 and the second lens 4, is entered Yb by pump light2+Doped fiber 2.
In the present embodiment, the resonator components specifically include the first dichroscope 5, the Yb being arranged successively2+Adulterate light
Fibre 2 and the second dichroscope 6, the first dichroscope 5 are close to Yb with the second dichroscope 62+2 end face of doped fiber, the pumping
The light beam in source 1 successively passes through the first dichroscope 5, Yb after coupling assembly2+Doped fiber 2 and the second dichroscope 6.It is humorous
The first dichroscope 5, the second dichroscope 6 and Yb in vibration chamber component2+Pump light after 2 pairs of doped fiber couplings shakes
Gain is swung, to export laser.Wherein the first dichroscope is 405HT/561HR, and second dichroscope is 405HR/
561HT.Pumping source uses 405nm laser, by adjusting the output power of pump light, control 561nm laser output, in 405nm
Under the pumping effect of laser, the output of 561nm laser is obtained.
Yb2+Doped fiber 2 is bivalent rare earth ytterbium doped fiber, in the present embodiment, as a further optimization of the scheme , institute
State Yb2+Doped fiber 2 is Yb2+Adulterate silica fibre or Yb2+Doped silicate glasses optical fiber.And optical fiber structure can be biography
The optical fiber structure or Yb of system2+Adulterate quartzy microstructured optical fibers.
In the present embodiment, the surface of first lens 3 and the second lens 4, which is plated, is equipped with anti-reflection film, the anti-reflection film
For increasing the transmitance of light, coupling loss is reduced.
Embodiment two
As shown in Fig. 2, embodiment two, unlike embodiment, the coupling assembly specifically includes pumping source tail optical fiber 7 and light
Fine optoisolator 8, pumping source tail optical fiber 7 are connect with fiber optic isolator 8, and the pump light that pumping source 1 issues successively passes through pumping source tail optical fiber 7
With fiber optic isolator 8.Successively after pumping source tail optical fiber 7 and fiber optic isolator 8, coupling pump light is entered for pump light
Yb2+Doped fiber 2.In the present embodiment, the connection between optical fiber and optical fiber is coupled by welding.
In the present embodiment, the resonator components specifically include sequentially connected first fiber grating 9, Yb2+Adulterate light
Fibre 2 and the second fiber grating 10, the first fiber grating 9 are connect with fiber optic isolator 8, and the light beam of the pumping source 1 passes through coupling
After seaming element, successively pass through the first fiber grating 9, Yb2+Doped fiber 2 and the second fiber grating 10.Wherein first optical fiber
Grating is 405HT/561HR, and second fiber grating is 405HR/561HT.
By ultraviolet and visible light by way of pump coupling, pumping source uses 405nm laser, by adjusting pump light
Output power, control 561nm laser output obtain the output of 561nm laser under the pumping effect of 405nm laser.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of for generating the optical fiber laser of 561nm wavelength, which is characterized in that harmonious including pumping source (1), coupling assembly
Shake chamber component；
The pumping source (1) is for issuing pump light；
The light beam of the pumping source (1) successively passes through the coupling assembly resonant cavity component being arranged successively；
The resonator components include Yb2+Doped fiber；
Coupling pump light is entered Yb for coupling to pump light by the coupling assembly2+Doped fiber；
The resonator components are used to carry out oscillator gain to the pump light after coupling, to export laser；
The resonator components include that the first dichroscope (5), the second dichroscope (6) or resonator components include
One fiber grating (9), the second fiber grating (10) are used equally for the laser output of control 561nm wavelength.
2. according to claim 1 for generating the optical fiber laser of 561nm wavelength, which is characterized in that the coupling systems
Part includes the first lens (3) and the second lens (4) of successively longitudinal arrangement, and the first lens (3) are collimating mirror, the second lens (4)
For focus lamp, the first lens (3) and the second lens (4) non-spherical lens that be focal length different, the pumping that pumping source (1) issues
Light successively passes through the first lens (3) and the second lens (4).
3. according to claim 2 for generating the optical fiber laser of 561nm wavelength, which is characterized in that the resonant cavity
Component includes the first dichroscope (5), the Yb being arranged successively2+Doped fiber (2) and the second dichroscope (6), the first dichroic
Mirror (5) is close to Yb with the second dichroscope (6)2+The light beam of doped fiber (2) end face, the pumping source (1) passes through coupling assembly
Afterwards, successively pass through the first dichroscope (5), Yb2+Doped fiber (2) and the second dichroscope (6).
4. according to claim 1 for generating the optical fiber laser of 561nm wavelength, which is characterized in that the Yb2+Doping
Optical fiber (2) is Yb2+Adulterate silica fibre or Yb2+Doped silicate glasses optical fiber.
5. according to claim 2 for generating the optical fiber laser of 561nm wavelength, which is characterized in that described first thoroughly
The surface of mirror (3) and the second lens (4), which is plated, is equipped with anti-reflection film, and the anti-reflection film is used to increase the transmitance of light, reduces coupling
Loss.
6. according to claim 1 for generating the optical fiber laser of 561nm wavelength, which is characterized in that the coupling systems
Part includes pumping source tail optical fiber (7) and fiber optic isolator (8), and pumping source tail optical fiber (7) is connect with fiber optic isolator (8), pumping source (1)
The pump light of sending successively passes through pumping source tail optical fiber (7) and fiber optic isolator (8).
7. according to claim 6 for generating the optical fiber laser of 561nm wavelength, which is characterized in that the resonant cavity
Component includes sequentially connected first fiber grating (9), Yb2+Doped fiber (2) and the second fiber grating (10), the first optical fiber light
Grid (9) are connect with fiber optic isolator (8), and the light beam of the pumping source (1) successively passes through the first optical fiber after coupling assembly
Grating (9), Yb2+Doped fiber (2) and the second fiber grating (10).
8. according to claim 3 for generating the optical fiber laser of 561nm wavelength, which is characterized in that the described 1st
It is 405HT/561HR to Look mirror, second dichroscope is 405HR/561HT.
9. according to claim 7 for generating the optical fiber laser of 561nm wavelength, which is characterized in that first light
Fine grating is 405HT/561HR, and second fiber grating is 405HR/561HT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489997.6A CN109687267A (en) | 2018-12-06 | 2018-12-06 | It is a kind of for generating the optical fiber laser of 561nm wavelength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489997.6A CN109687267A (en) | 2018-12-06 | 2018-12-06 | It is a kind of for generating the optical fiber laser of 561nm wavelength |
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| Publication Number | Publication Date |
|---|---|
| CN109687267A true CN109687267A (en) | 2019-04-26 |
Family
ID=66186508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811489997.6A Pending CN109687267A (en) | 2018-12-06 | 2018-12-06 | It is a kind of for generating the optical fiber laser of 561nm wavelength |
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| CN (1) | CN109687267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581431A (en) * | 2019-09-11 | 2019-12-17 | 深圳大学 | Erbium-doped fluoride fiber laser and laser generation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581431A (en) * | 2019-09-11 | 2019-12-17 | 深圳大学 | Erbium-doped fluoride fiber laser and laser generation method |
| CN110581431B (en) * | 2019-09-11 | 2021-10-15 | 深圳大学 | Erbium-doped fluoride fiber laser and laser generation method |
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Application publication date: 20190426 |
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